Zabbix Documentation 3.2

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3 Additional operations

Overview

For discovery events, there are additional operations available:

  • add host
  • remove host
  • enable host
  • disable host
  • add to group
  • delete from group
  • link to template
  • unlink from template
  • set host inventory mode

The additional operations available for auto-registration events are:

  • add host
  • disable host
  • add to group
  • link to template
  • set host inventory mode
Adding host

Hosts are added during the discovery process, as soon as a host is discovered, rather than at the end of the discovery process.

As network discovery can take some time due to many unavailable hosts/services having patience and using reasonable IP ranges is advisable.

When adding a host, its name is decided by the standard gethostbyname function. If the host can be resolved, resolved name is used. If not, the IP address is used. Besides, if IPv6 address must be used for a host name, then all ":" (colons) are replaced by "_" (underscores), since colons are not allowed in host names.

If performing discovery by a proxy, currently hostname lookup still takes place on Zabbix server.

If a host already exists in Zabbix configuration with the same name as a newly discovered one, versions of Zabbix prior to 1.8 would add another host with the same name. Zabbix 1.8.1 and later adds _N to the hostname, where N is increasing number, starting with 2.